Optoelectronic characterization of a-SIC: H stacked devices

P Louro, A Fantoni, M Fernandes, A Maçarico… - Journal of non …, 2004 - Elsevier
The aim of this work is the optoelectronic characterization of double p–i–n stacked devices
based on a-Si alloy materials, in order to evaluate their suitability in large area optical …

Capacitive effects in pinpin photodiodes

A Fantoni, M Fernandes, P Louro, MA Vieira… - Microelectronic …, 2013 - Elsevier
The application of a-SiC: H/a-Si: H pinpin photodiodes for optoelectronic applications as a
WDM demultiplexer device has been demonstrated useful in optical communications that …

CMOS photodetector systems for low-level light applications

N Faramarzpour, MM El-Desouki, MJ Deen… - Journal of Materials …, 2009 - Springer
In this work, we have designed, fabricated and measured the performance of three different
active pixel sensor (APS) structures. These APS structures are studied in the context of …

Large area double p–i–n heterostructure for signal multiplexing and demultiplexing in the visible range

M Vieira, P Louro, M Fernandes, MA Vieira, A Fantoni… - Thin solid films, 2009 - Elsevier
Results on the use of a double a-SiC: H p–i–n heterostructure for signal multiplexing and
demultiplexing applications in the visible range, are presented. Modulated monochromatic …

Image processing in a μc-Si: H p–i–n image transducer

F Sousa, J Martins, M Fernandes, A Maçarico… - Journal of Non …, 2000 - Elsevier
A two-dimensional p–i–n imager based on μc-Si: H material is analysed. The basic building
block for the sensor element is a transparent conductive oxide (TCO)/μc-p–i–n Si: H …

a-SiC: H/a-Si: H tandem photodiods: a numerical simulation

A Fantoni, M Fernandes, P Louro, I Rodrigues… - Sensors and Actuators A …, 2004 - Elsevier
It is well known from the literature that, in order to optimize the light power conversion, the
geometry of the cell and the thickness of the absorber layers must be adjusted to the light …

Stacked a-SiC: H/a-Si: H heterostructures for bias-controlled three-colour detectors

M Topič, F Smole, J Furlan, W Kusian - Journal of non-crystalline solids, 1996 - Elsevier
A family of three-terminal three-colour detectors based on stacked a-SiC: H/a-Si: H
heterostructures is presented. The detectors have the assembly TCO/PIN/TCO/PINIP/metal …

Laser-scanned pin photodiode (LSP) for image detection

M Vieira, M Fernandes, J Martins, P Louro… - IEEE Sensors …, 2001 - repositorio.ipl.pt
Amorphous and microcrystalline glass/ZnO: Al/p (a-Si: H)/i (a-Si: H)/n (a-Si1 C: H)/Al imagers
with different n-layer resistivities were produced by plasma-enhanced chemical vapor …

Optical demultiplexer device operating in the visible spectrum

P Louro, M Vieira, MA Vieira, J Costa… - Sensors and Actuators A …, 2011 - Elsevier
In this paper, we present results on the use of multilayered a-SiC: H heterostructures as a
device for wavelength-division demultiplexing of optical signals. These devices are useful in …

Influence of the transducer configuration on the pin image sensor resolution

M Fernandes, M Vieira, J Martins, P Louro, A Maçarico… - Thin solid films, 2001 - Elsevier
Amorphous ZnO: Al/a-SixC1–x: Hpin/Al optical imagers that use a small-signal scanning
beam to read out the photogenerated carriers are presented. The effect of the image …